Easy Preparation of Carbon Nano Onion—Poly Ionic Liquid-Like Hybrids Through the Deep Eutectic Monomer (DEM) Approach and Their Use in Heterogeneous Catalysis

Abstract

Carbon nano-onions (CNOs) are efficiently functionalized using a sustainable approach based on polymerizable deep eutectic solvents (PDESs), or deep eutectic monomers (DEMs). These systems replace conventional organic solvents, acting simultaneously as dispersing media and functionalization reagents. The method enables the rapid introduction of functional groups such as –OH, –NH3⁺Br−, and –SO3− onto CNO surfaces. The resulting materials are comprehensively characterized by TGA, 13C-CPMAS-TOSS NMR, FT-IR spectroscopy, TEM, AFM, DLS, and XPS. Notably, sulfonate-functionalized CNOs support the Keggin-type polyoxometalate H3PW12O40 (PW12), which acts as a recyclable heterogeneous catalyst for the oxidation of alcohols to carbonyl compounds.

Aravind Kannoth Anilkumar

PhD Student

Aravind Kannoth Anilkumar is currently a 2nd year PhD student in the group of Prof. Silvia Giordani at Dublin City University, supported by her Research Ireland Frontiers for the Future Programme Award (2/FFP-A/11067).

Michał Bartkowski

Postdoctoral Researcher

Michał Bartkowski is currently a Postdoctoral Researcher in the group of Prof. Silvia Giordani at Dublin City University, supported by her Research Ireland Frontiers for the Future Programme grant (2/FFP-A/11067).

Silvia Giordani

Full Professor Chair of Nanomaterials

My research interests are in the design, synthesis, and characterization of hybrid smart nanomaterials for biomedical, energy and environmental applications